138685680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{3931}}^1$

素因数の和:3964

約数の個数: 180

約数和(自身を含む): 541931832

約数和(自身を除く): 403246152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 3931, 4410, 5040, 5880, 7056, 7862, 8820, 11760, 11793, 15724, 17640, 19655, 23586, 27517, 31448, 35280, 35379, 39310, 47172, 55034, 58965, 62896, 70758, 78620, 82551, 94344, 110068, 117930, 137585, 141516, 157240, 165102, 176895, 188688, 192619, 220136, 235860, 247653, 275170, 283032, 314480, 330204, 353790, 385238, 412755, 440272, 471720, 495306, 550340, 566064, 577857, 660408, 707580, 770476, 825510, 943440, 963095, 990612, 1100680, 1155714, 1238265, 1320816, 1415160, 1540952, 1651020, 1733571, 1926190, 1981224, 2201360, 2311428, 2476530, 2830320, 2889285, 3081904, 3302040, 3467142, 3852380, 3962448, 4622856, 4953060, 5778570, 6604080, 6934284, 7704760, 8667855, 9245712, 9906120, 11557140, 13868568, 15409520, 17335710, 19812240, 23114280, 27737136, 34671420, 46228560, 69342840, 138685680]

約数ペア:

[(1, 138685680), (2, 69342840), (3, 46228560), (4, 34671420), (5, 27737136), (6, 23114280), (7, 19812240), (8, 17335710), (9, 15409520), (10, 13868568), (12, 11557140), (14, 9906120), (15, 9245712), (16, 8667855), (18, 7704760), (20, 6934284), (21, 6604080), (24, 5778570), (28, 4953060), (30, 4622856), (35, 3962448), (36, 3852380), (40, 3467142), (42, 3302040), (45, 3081904), (48, 2889285), (49, 2830320), (56, 2476530), (60, 2311428), (63, 2201360), (70, 1981224), (72, 1926190), (80, 1733571), (84, 1651020), (90, 1540952), (98, 1415160), (105, 1320816), (112, 1238265), (120, 1155714), (126, 1100680), (140, 990612), (144, 963095), (147, 943440), (168, 825510), (180, 770476), (196, 707580), (210, 660408), (240, 577857), (245, 566064), (252, 550340), (280, 495306), (294, 471720), (315, 440272), (336, 412755), (360, 385238), (392, 353790), (420, 330204), (441, 314480), (490, 283032), (504, 275170), (560, 247653), (588, 235860), (630, 220136), (720, 192619), (735, 188688), (784, 176895), (840, 165102), (882, 157240), (980, 141516), (1008, 137585), (1176, 117930), (1260, 110068), (1470, 94344), (1680, 82551), (1764, 78620), (1960, 70758), (2205, 62896), (2352, 58965), (2520, 55034), (2940, 47172), (3528, 39310), (3920, 35379), (3931, 35280), (4410, 31448), (5040, 27517), (5880, 23586), (7056, 19655), (7862, 17640), (8820, 15724), (11760, 11793)]